Home / 30,309.73-45,394.09-29,258.55

Finding the Fourth Proportional to 30,309.73, 45,394.09 and 29,258.55

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Solution

The fourth proportional to 30,309.73, 45,394.09 and 29,258.55 is: 43,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309.73 : 45,394.09 = 29,258.55 : x
  2. Step 2: Convert to fraction form
    30,309.73/45,394.09 = 29,258.55/x
  3. Step 3: Cross multiply
    30,309.73x = 45,394.09 × 29,258.55
  4. Step 4: Simplify right side
    30,309.73x = 1,328,165,178.82
  5. Step 5: Solve for x
    x = 1,328,165,178.82/30,309.73
  6. Step 6: Final answer
    x = 43,819.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.